public class Meshes
extends com.supermap.data.InternalHandle

示范代码:

以下代码示范了如何定义网格面对象，并将该对象添加到三维模型几何对象的网格面集合中，最后加入三维场景显示在三维球体上。

 public void TestMeshes(SceneControl m_sceneControl) throws InterruptedException
     {
                //新建 GeoModel 对象，设置 Position 为(110, 39, 0);
                GeoModel geoModel = new GeoModel();
                geoModel.setPosition(new Point3D(110, 39, 0));
                
                //返回 Meshes
                Meshes meshes = geoModel.getMeshes();
                
                //构造 Mesh 对象 mesh
                Mesh mesh = new Mesh();
                double[] vertexes = new double[12];
                double[] normals = new double[12];
                int[] indexes =new int[8];
                double[] textureCoords = new double[8];
                Colors colors = new Colors();
                colors.set(1, Color.RED);
                colors.set(2, Color.GREEN);
                colors.set(3, Color.BLACK);
                colors.set(4, Color.BLUE);
                //设置顶点坐标，每三个一组，对应坐标系的X、Y、Z数值
                vertexes[0] = 0.0; vertexes[1] = 0.0; vertexes[2] = 0.0;
                vertexes[3] = 36000.0; vertexes[4] = -48000.0; vertexes[5] = 0.0;
                vertexes[6] = 100000.0; vertexes[7] = 0.0; vertexes[8] = 0.0;
                vertexes[9] = 64000.0; vertexes[10] = 0.0; vertexes[11] = 48000.0;
                
                //设置顶点索引，用于绘制图形时应用
                indexes[0] = 0; indexes[1] = 1; indexes[2] = 2;
                indexes[3] = 0; indexes[4] = 2; indexes[5] = 3;
                
                //设置顶点的法向量方向，设置法向量可以突出 Mesh 的阴影效果，更加逼真。
                normals[0] = 0.0; normals[1] = 0.0; normals[2] = 1.0;
                for (int i = 3; i < 7; i++)
                {
                normals[i] = normals[0]; normals[i + 1] = normals[1]; normals[i + 2] = normals[2];
                }
                normals[9] = 0.0; normals[10] = -1.0; normals[11] = 0.0;
                

                //设置纹理坐标，用于设置贴图的显示效果
                for (int i = 0; i < 8;i += 2 )
                {
                textureCoords[i] = 0.0 + 0.125 * i;
                textureCoords[i + 1] = textureCoords[i];
                
                }
                
                mesh.setVertices(vertexes);
                mesh.setIndexes(indexes);
                mesh.setNormals(normals);
                mesh.setColors(colors);
                mesh.setTextureCoords(textureCoords);
                Material material = new Material();
                material.setTextureFile("C:/green.jpg");
                mesh.setMaterial(material);
                meshes.add(mesh);
                
                //新建Scene，关联 m_sceneControl
                Scene scene = m_sceneControl.getScene();
                
                //MeoModel.ComputeBoundingBos() 一定要调用否则不显示,再调用 setBoundingBox（模型的BoundingBox）;
                geoModel.computeBoundingBox();
                geoModel.setBoundingBox(geoModel.getBoundingBox());
                
                //添加GeoModel到Scene的TrackingLayer中;
                scene.getTrackingLayer().add(geoModel, "Model");
                //Meshes.ToArrary()构造 meshs2（先调用 Thread.sleep(500),让场景控件关闭后不占用 meshes 资源）
                Thread.sleep(500);
                Mesh[] meshs2 = meshes.toArray();
                
                //将meshs2添加到 Meshes 集合中;
                meshes.addRange(meshs2);
                
                //移除索引为0的 Mesh 对象，移除从索引0处开始的1个 Mesh 对象;
                meshes.remove(0);
                meshes.removeRange(0, 1);
                
                //clear()清除 Meshes 中全部 Mesh 对象;
                meshes.clear();
     }